Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Ra8 win in 3 half-moves
2 K5a6 draw
3 K7a6 draw
4 Ra1 draw
5 Ra2 draw
6 Ra6 draw
7 Ra7 draw
8 Ka4 loss in 2 half-moves
9 Ka7 loss in 2 half-moves
10 Ka8 loss in 2 half-moves
11 Kb4 loss in 2 half-moves
12 Kb8 loss in 2 half-moves
13 Kc4 loss in 2 half-moves
14 Kc5 loss in 2 half-moves
15 Kc7 loss in 2 half-moves
16 Kc8 loss in 2 half-moves
17 Ra3 loss in 2 half-moves
18 Ra4 loss in 2 half-moves
19 K5b6 loss in 1 half-moves
20 K5c6 loss in 1 half-moves
21 K7b6 loss in 1 half-moves
22 K7c6 loss in 1 half-moves